Huntington’s disease, a severe autosomal dominant neurological disorder, shows a

____________________ in its expression. Fill in the blank(s) with the appropriate word(s).


ANS: delayed onset

Biology & Microbiology

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Although the specific mechanism of RNA interference has not been fully defined, it involves  

A.  double stranded RNA interference with mRNA. B.  double stranded RNA interference with DNA. C.  double stranded DNA interference with mRNA. D.  double stranded mRNA interference with DNA.

Biology & Microbiology

The drug diethylstylbestrol, or DES, mimics estrogen and interferes with the development of the fetal uterus. What is this drug considered?

A) a hormone B) as good as estrogen C) an endocrine disruptor D) a good form of birth control

Biology & Microbiology

All atoms tend to fill their outer energy levels with the maximum number of electrons, usually eight. Depending on whether atoms satisfy the octet rule will predict:

A. whether they will dissolve in water. B. the chemical behavior of the atoms. C. whether they will be found in nature. D. their radioactive energy.

Biology & Microbiology

________ are the group of microorganisms composed only of hereditary material wrapped in a protein covering.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology